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Finding the Fourth Proportional to 483,872.32, 667,781.04 and 269,030.08

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Solution

The fourth proportional to 483,872.32, 667,781.04 and 269,030.08 is: 371,282.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,872.32 : 667,781.04 = 269,030.08 : x
  2. Step 2: Convert to fraction form
    483,872.32/667,781.04 = 269,030.08/x
  3. Step 3: Cross multiply
    483,872.32x = 667,781.04 × 269,030.08
  4. Step 4: Simplify right side
    483,872.32x = 179,653,186,613.68
  5. Step 5: Solve for x
    x = 179,653,186,613.68/483,872.32
  6. Step 6: Final answer
    x = 371,282.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.